Speaking out: Justin revealed to Billboard magazine in November that he was 'struggling' with the pressures of fame'

Justin revealed to Billboard magazine in November that he was 'struggling' with the pressures of fame.

And just days later, Ruby emerged in support of her doppelganger in a touching Instagram post.

Ruby, who announced in 2013 that she had been dealing with her own personal issues and struggled for years with crippling depression, wrote: 'He's just a human with a big heart' after uploading a snap of herself and Justin holding hands.

In the image, Justin is pictured looking down at the ground, his face obscured by a cap and hood, while Ruby stares defiantly down the barrel of the camera, donning a rivet-studded biker jacket and a head of braids.

Lean on me: In the days after Justin, 21, revealed to Billboard magazine that he was 'struggling' thanks to the pressure of fame, Ruby, 29, emerged in support of her doppelganger in a touching Instagram post

In his recent tell-all interview with Billboard, Justin admitted: 'It might seem awesome from the outside, but I'm struggling.'

He also spoke of his 'bad-boy phase' spanning from 2013-2014, in which he was was arrested for driving under the influence and convicted for egging a neighbour's house.

'Certain things broke my trust with people....I felt like people were judging me all the time.

Growing pains: Justin spoke to Billboard about his 'bad-boy phase' spanning from 2013-2014, in which he was was arrested for driving under the influence and convicted for egging a neighbour's house

Family ties: The Baby singer recently spoke candidly about how his years of adolescent tumult nearly destroyed his relationship with his mother, leaving it 'pretty non-existing'

'I came out alive. I came out swinging. But I was close to letting [fame] completely destroy me,' the Baby singer revealed.

He also spoke candidly about how his years of adolescent tumult nearly destroyed his relationship with his mother, leaving it 'pretty non-existing'.

'I was distant because I was ashamed. I never wanted my mom to be disappointed in me and I knew she was,' he lamented.

They could be related! Comparisions between Ruby and Justin have been drawn many times before based on their similiar appearances

Speaking her mind: Meanwhile, Ruby has long been an advocate for speaking candidly about mental health, having announced that she was 'still losing my battle with depression' in a series of tweets published in 2013

Taking care: She checked into rehab shortly after she made the public admission, and has since spoken with several magazines about her life-long struggles with depression and bipolar disorder

Meanwhile, Ruby has long been an advocate for speaking candidly about mental health, having announced that she was 'still losing my battle with depression' in a series of tweets published in 2013.

She checked into rehab shortly after she made the public admission, and has since spoken with several magazines about her life-long struggles with depression and bipolar disorder.

'I have struggled with depression for years. I've gone from managing it to not managing it and it not being able to be managed,' she recently told WHO magazine.

Speaking to News Corp, she also detailed how she felt it was important to be honest with her fans about her mental health struggles, saying: 'I can't take the good part of the job without telling people who I actually am. After all, it's the people [as the audience] who allow us to do these great things.'